256462066 has 16 divisors (see below), whose sum is σ = 440556480. Its totient is φ = 109685520.

The previous prime is 256462049. The next prime is 256462079. The reversal of 256462066 is 660264652.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11781 + ... + 25528.

It is an arithmetic number, because the mean of its divisors is an integer number (27534780).

Almost surely, 2^256462066 is an apocalyptic number.

256462066 is a deficient number, since it is larger than the sum of its proper divisors (184094414).

256462066 is a wasteful number, since it uses less digits than its factorization.

256462066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37809.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 256462066 is about 16014.4330527184. The cubic root of 256462066 is about 635.3422141190.

The spelling of 256462066 in words is "two hundred fifty-six million, four hundred sixty-two thousand, sixty-six".